rss102
Transcript of rss102
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 1/22
RSS-102Issue 4
March 2010
Spectrum Management and Telecommunications
Radio Standards Specification
Radio Frequency (RF) Exposure
Compliance of Radiocommunication Apparatus (All Frequency Bands)
Footnote 13 was updated in December 2010.
Aussi disponible en français - CNR-102
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 2/22
i
Preface
Radio Standards Specification 102, Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands), sets out the requirements and measurement
techniques used to evaluate radio frequency (RF) exposure compliance of radiocommunication
apparatus designed to be used within the vicinity of the human body.
RSS-102, Issue 4, will be in force as of the publication date of Canada Gazettenotice SMSE-002-10,after which the public has 120 days to submit comments. Comments received will be considered and a
new issue or revised version of this issue may be developed.
Changes:
(1) Section 1.1: Definition of body-supported devicehas been added, and definition of specificabsorption rate (SAR) evaluationhas been revised
(2) Section 2.4: The submission of the RF Exposure Technical Brief is now required for certification
(3) Section 2.6: Clarification related to the User Manual
(4) Section 2.7: New section on Quality Control and Post-Certification Investigations/Audits
(5) Section 3: Clarification on sections related to Test Reductions and Fast SAR evaluation within
IEC 62209
(6) Section 3.1.1: Clarification related to SAR measurement for 3 GHz-6 GHz
(7) Section 3.1.4: SAR test procedures for 802.16e/WiMAX devices and the link to complete list of
accepted FCC’s KDBs
(8) Section 3.3: Clarification for Computational Modeling
(9) Annex A: Additional subsections for SAR evaluation of Limb-Worn Devices
(10) Annex C: Declaration of RF Exposure Compliance for exempt radiocommunication apparatus
under Section 2.5
(11) Annex E: Information for documenting SAR compliance in the RF Exposure Technical Brief
Issued under the authority of the Minister of Industry
____________________________________
Marc Dupuis
Director General
Engineering, Planning and Standards Branch
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 3/22
ii
Contents
1. Scope............................................................................................................................................... 1
1.1 Definitions .......................................................................................................................... 1
2. Certification Requirements.......................................................................................................... 2
2.1 Application for Certification............................................................................................... 22.2 RF Exposure Technical Brief ............................................................................................. 2
2.3 RF Technical Brief Cover Sheet ......................................................................................... 3
2.4 Approval Process ................................................................................................................ 3
2.5 Exemption from Routine Evaluation Limits....................................................................... 3
2.6 User Manual Requirements ................................................................................................ 4
2.7 Quality Control and Post-Certification Investigations/Audits............................................ 4
3. Measurement Methods................................................................................................................. 5
3.1 SAR Measurements ............................................................................................................ 5
3.2 RF Exposure Evaluation of Devices with Multiple Transmitters....................................... 8
3.3 Computational Modelling ................................................................................................... 8
4. Exposure Limits ............................................................................................................................ 8
4.1 SAR Limits for Devices Used by the General Public (Uncontrolled Environment) .......... 9
4.2 RF Field Strength Limits for Devices Used by the General Public (Uncontrolled
Environment) ...................................................................................................................... 9
4.3 SAR Limits for Controlled Use Devices (Controlled Environment).................................. 9
4.4 RF Field Strength Limits for Controlled Use Devices (Controlled Environment)........... 10
Annex A - RF Technical Brief Cover Sheet.......................................................................................... 11
Annex B - Declaration of RF Exposure Compliance........................................................................... 12
Annex C - Declaration of RF Exposure Compliance for Exemption from Routine Evaluation
Limits ..................................................................................................................................... 14
Annex D - Body Tissue Equivalent Liquid ........................................................................................... 15
Annex E - Information that should be Included in the RF Exposure Technical Brief to Document
SAR Compliance ................................................................................................................... 16
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 4/22
Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands) RSS-102
1
1. Scope
This Radio Standards Specification (RSS) sets out the requirements and measurement techniques used
to evaluate RF exposure compliance of radiocommunication apparatus designed to be used within the
vicinity of the human body. This includes mobile, portable and fixed transmitters having an integral
antenna, systems requiring licensing with detachable antennas sold with the transmitters, or licence-exempt transmitters with detachable antennas as defined in RSS-Gen.
This standard shall be used in conjunction with other applicable RSSs. Before equipment certification is
granted by Industry Canada, the applicant shall demonstrate compliance with all applicable
departmental standards.
It is the responsibility of proponents1
and operators of antenna system installations to ensure that all
radiocommunication and broadcasting installations comply at all times with Health Canada’s Safety
Code 6, including the consideration of combined effects of nearby installations within the local radio
environment. These requirements are specified in Client Procedures Circular CPC-2-0-03,
Radiocommunication and Broadcasting Antenna Systems.
1.1 Definitions
The following terms and definitions apply to this standard:
Body-supported deviceis a device whose intended use includes transmitting with any portion of the
device being held directly against a user’s body.2
Body-worn (or body-mount) radio is a wireless transceiver that is normally operated (or intended to be
used) while it is placed in the pocket of a garment, or is maintained close to the body by means of a belt
clip, holster, pouch, lanyard or similar mechanism.
Controlled useis the type of approval given to a device that is intended to be used by persons who are
fully aware of, and can exercise control over, their exposure. Controlled use devices are not intended for
use by members of the general public.
Controlled use limit refers to the SAR and RF field strength limits that apply to devices approved for
controlled use (controlled environment).
Devicerefers to a sample unit, representative of the equipment for which certification is sought.
1“Proponent” is defined as anyone who is planning to install or modify an antenna system, regardless of the type of
installation or service. This includes, among other services, Personal Communications Services (PCS) and cellular,
fixed wireless, broadcasting, land-mobile, licence-exempt and amateur radio services.
2 This differs from a body-worn or body-mount radio in that it is not attached to a user’s body by means of a carry
accessory. A portable computer with an external antenna plug-in radio card (e.g. PCMCIA card) and a portable
computer with an antenna located in the screen section are examples of body-supported devices.
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 5/22
Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands) RSS-102
2
General public limit refers to the SAR and RF field strength limits that apply to devices approved for
general public use (uncontrolled environment).
General public use is the type of approval given to a device that can be used by the general public.
RF exposure evaluation is the method used to evaluate the RF field strength levels generated by adevice. RF exposure evaluation is required if the separation distance between the user and the device is
greater than 20 cm.
RF field strength limit refers to the limit pertaining to an electric field, a magnetic field or a power
density that applies to the RF exposure evaluation.
Specific absorption rate (SAR) evaluation is the method used to evaluate the SAR levels from a device
by physical measurement or computational modelling techniques. SAR evaluation is required if the
separation distance between the user or bystanders and the device is less than or equal to 20 cm.
Specific absorption rate (SAR) limit is the limit pertaining to the rate of RF energy absorbed in tissue, per unit mass, and which applies to the SAR evaluation.
2. Certification Requirements
2.1 Application for Certification
Compliance with this RSS shall be evaluated in the context of an application for certification submitted
under the RSS(s) applicable to the frequency band and/or technology that pertains to the equipment for
which certification is sought.
2.2 RF Exposure Technical Brief
The applicant shall prepare an RF exposure technical brief that contains information related to the SAR
evaluation (see Annex E) or RF exposure evaluation of the device, including the exact test
configuration(s), equipment calibrations, equipment and measurement uncertainties, as well as all other
relevant technical information. Device test positions shall be documented, including graphical
representations showing separation distances and tilt angles used during the evaluation. Close-up photos
of the actual device in the various test positions shall also be included.
The RF exposure technical brief shall demonstrate that the requirements of this standard have been met
and that appropriate measurement methods, evaluation methodologies or calculations have been used.
For devices approved for controlled use, the RF exposure technical brief shall also include device
operational guidelines that meet the requirements of Section 2.5 for user exposure awareness and
control.
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 6/22
Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands) RSS-102
3
2.3 RF Technical Brief Cover Sheet
The information found in the RF technical brief cover sheet (see Annex A) shall be taken from the RF
exposure technical brief. The information provided therein shall clearly support the compliance claim.
2.4 Approval Process
To obtain approval under this standard, the above-mentioned application for certification shall be
accompanied by the duly completed RF technical brief cover sheet (see Annex A) and a properly signed
declaration of compliance (see Annex B). However, if the device in question meets the exemption from
routine evaluation limits of sections 2.5.1 or 2.5.2, only a signed declaration of compliance needs to be
submitted (see Annex C).
In addition, submission of the RF exposure technical brief is now required for certification. It shall be
accompanied by the completed RF technical brief cover sheet.
2.5 Exemption from Routine Evaluation Limits
All transmitters are exempt from routine SAR and RF exposure evaluations provided that output power
complies with the power levels of sections 2.5.1 or 2.5.2. If the equipment under test (EUT) meets the
requirements of sections 2.5.1 or 2.5.2, applicants are only required to submit a properly signed
declaration of compliance (see Annex C). The information contained in the RF exposure technical brief
may be limited to information that demonstrates how the output power of the transmitter was derived.
If the EUT does not meet the appropriate exemption limit, a complete SAR or RF exposure evaluation
shall be performed.
It must be emphasized that the above exemption from routine evaluation is not an exemption fromcompliance.
2.5.1 Exemption from Routine Evaluation Limits – SAR Evaluation
SAR evaluation is required if the separation distance between the user and the radiating element of the
device is less than or equal to 20 cm, except when the device operates as follows:
from 3 kHz up to 1 GHz inclusively, and with output power (i.e. the higher of the conducted or
equivalent isotropically radiated power (e.i.r.p.) source-based, time-averaged output power) that is
less than or equal to 200 mW for general public use and 1000 mW for controlled use;
above 1 GHz and up to 2.2 GHz inclusively, and with output power (i.e. the higher of the conducted
or radiated (e.i.r.p.) source-based, time-averaged output power) that is less than or equal to 100 mW
for general public use and 500 mW for controlled use;
above 2.2 GHz and up to 3 GHz inclusively, and with output power (i.e. the higher of the conducted
or radiated (e.i.r.p.) source-based, time-averaged output power) that is less than or equal to 20 mW for
general public use and 100 mW for controlled use;
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 7/22
Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands) RSS-102
4
above 3 GHz and up to 6 GHz inclusively, and with output power (i.e. the higher of the conducted or
radiated (e.i.r.p.) source-based, time-averaged output power) that is less than or equal to 10 mW for
general public use and 50 mW for controlled use.
In these cases, the information contained in the RF exposure technical brief may be limited to
information that demonstrates how the output power of the device was derived.
2.5.2 Exemption from Routine Evaluation Limits – RF Exposure Evaluation
RF exposure evaluation is required if the separation distance between the user and the device’s radiating
element is greater than 20 cm, except when the device operates as follows:
below 1.5 GHz and the maximum e.i.r.p. of the device is equal to or less than 2.5 W;
at or above 1.5 GHz and the maximum e.i.r.p. of the device is equal to or less than 5 W.
In these cases, the information contained in the RF exposure technical brief may be limited to
information that demonstrates how the e.i.r.p. was derived.
2.6 User Manual Requirements
The applicant is responsible for providing proper instructions to the user of the radio device, and any
usage restrictions, including limits of exposure durations. The user manual shall provide installation and
operation instructions, as well as any special usage conditions, to ensure compliance with SAR and/or
RF field strength limits. For instance, compliance distance shall be clearly stated in the user manual.
The user manual of devices intended for controlled use shall also include information relating to the
operating characteristics of the device; the operating instructions to ensure compliance with SAR and/or
RF field strength limits; information on the installation and operation of accessories to ensurecompliance with SAR and/or RF field strength limits; and contact information where the user can obtain
Canadian information on RF exposure and compliance. Other related information may also be included.
2.7 Quality Control and Post-Certification Investigations/Audits
Industry Canada will conduct market surveillance compliance audits and compliance investigations
from time to time, after certification, of radio apparatus intended for sale in Canada. In the event of an
investigation of non-compliance, the certificate holder will be asked to provide to the Department
records of the quality control process and any relevant information that would help identify issues
related to compliance. It is expected that all certificate holders will be able to demonstrate a quality
control process used for production inspection and testing in accordance with good engineering practices.
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 8/22
Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands) RSS-102
5
3. Measurement Methods
Devices that have a radiating element normally operating at or below 6 GHz, with a separation distance
of up to 20 cm between the user and the device, shall undergo a SAR evaluation. Devices operating
above 6 GHz shall undergo an RF exposure evaluation.
SAR evaluations shall be made in accordance with the latest version of IEEE 15283 and/or IEC 62209.4
However, the applicant shall consult with Industry Canada prior to initiating the certification process if
the sections on test reductions5
and fast SAR evaluations within IEC 62209 are to be applied for the
determination of regulatory compliance of the radiocommunication apparatus.
For SAR probe calibration and system verification for measurements between 150 MHz and 300 MHz,
the procedures6
established by the U.S. Federal Communications Commission (FCC) can be used as an
interim measure until IEEE 1528 and IEC 62209 have incorporated the extended frequency range.
Devices that have a radiating element normally operating at separation distances greater than 20 cm
between the user and the device shall undergo an RF exposure evaluation. SAR evaluation may be
performed in lieu of an RF exposure evaluation for devices operating below 6 GHz with a separation
distance of greater than 20 cm between the user and the device.
RF exposure evaluation shall be made in accordance with the latest version of IEEE C95.3.7
3.1 SAR Measurements
In addition to the above-mentioned SAR standards, the following provisions shall apply when
performing an SAR evaluation:
If a device has push-to-talk capability, a minimum duty cycle of 50% (on-time) shall be used in the
evaluation. A lower duty cycle is permitted only if the transmission duty cycle is an inherent property
of the technology or of the design of the equipment and not under user control. Proof of the various
on-off durations and a detailed method of calculation of the average power shall be included in the
SAR evaluation. Maximum average power levels shall be used to determine compliance.
3IEEE 1528: Recommended Practice for Determining the Peak Spatial-Average Specific Absorption Rate (SAR) in theHuman Head fromWireless Communications Devices: Measurement Techniques
4IEC 62209: Human exposure to radio frequency fields fromhand-held and body-mounted wireless communication
devices – Human models, instrumentation, and procedures
5 The applicant is not required to consult with Industry Canada if the test reductions are based on the FederalCommunications Commission (FCC) KDB procedures referenced in this standard.
6FCC KDB Publication 450824: SAR Probe Calibration and SystemVerification considerations for measurements from150 MHz to 3 GHz(http://www.fcc.gov/oet/ea/eameasurements.html)
7IEEE C95.3-2002: IEEE recommended practice for measurements and computations of radio frequency electromagneticfields with respect to human exposure to such fields,100 kHz-300 GHz
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 9/22
Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands) RSS-102
6
hnical brief.
For devices without push-to-talk capability, the duty cycle used in the evaluation shall be based on the
inherent property of the transmission technology or of the design of the equipment.
If possible, the transmitter shall be set to the maximum output power for which it is rated, before the
SAR evaluation. If the antenna length is variable, the tests shall generally be performed with an
antenna length that maximizes the peak SAR, such as fully retracted and again fully extended. Thedevice shall be in the normal operating position, as recommended by the manufacturer, when
evaluating the SAR.
Multi-mode transmitters operating in the same frequency band are to be evaluated in the mode that is
expected to yield the greatest SAR. Devices that are capable of operating in multiple bands shall be
evaluated against all these bands.
If the device is designed to operate in front of the mouth, it shall be evaluated with the front of the
device positioned at 2.5 cm from a flat phantom. If it is also designed to operate when placed next to
the cheek and ear, it shall also be tested in that position.
SAR evaluation of medical implant communication system (MICS) and medical implant telemetry
system (MITS) devices shall be performed by physical measurement or computational modelling.
3.1.1 SAR Measurement for 3 GHz-6 GHz
SAR measurements for devices operating between 3 GHz and 6 GHz are not currently covered by the
international standards in Section 3. Until these standards are revised to include the extended frequency
range, the FCC’s published procedures8
can be used as an interim measure. In addition, other
recognized methods could be used if deemed acceptable by Industry Canada prior to initiating the
certification process. Applicants shall include all information relevant to the exact method used in the
RF exposure tec
3.1.2 SAR Measurement of Body-Worn Devices
The following requirements shall be considered when performing SAR measurements for body-worn
devices. Otherwise, compliance of body-worn devices shall be assessed using internationally recognized
methods proven to provide a conservative estimate of the SAR value.
A flat phantom shall be used.
Belt clips and holsters shall be attached to the device and positioned against the flat phantom in
normal use configurations.
When multiple accessories supplied with the device contain no metallic component, the device shall
be tested with the accessory that provides the shortest separation distance between the device and the
body.
8FCC KDB Publication 865664: SAR Measurement Requirements for 3 to 6 GHz(http://www.fcc.gov/oet/ea/eameasurements.html)
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 10/22
Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands) RSS-102
7
When multiple accessories supplied with the device contain metallic components, the device shall be
tested with each accessory containing a unique metallic component. If multiple accessories share the
same metallic component, only the accessory providing the shortest separation distance between the
device and the body shall be tested.
If accessories are not supplied or available, a separation distance of 1.5 cm between the device andthe phantom is recommended. Although other separation distances may be used, the measurement
distance used in the evaluation shall not exceed 2.5 cm. The device shall be positioned with either its
back face or front face toward the phantom, whichever will result in the higher SAR value. If this
cannot be determined, both positions shall be tested and the higher of two SAR values shall be
included in the RF technical brief cover sheet.
The head or body tissue equivalent liquid (see Annex D) for SAR measurement of body-worn devices
shall be used. Information related to the tissue equivalent liquid shall be included in the RF exposure
technical brief.
3.1.3 SAR Measurement of Devices Containing Multiple Transmitters
Compliance of devices with multiple transmitters capable of simultaneous transmission shall be assessed
using recognized methods, such as the procedures9
published by the FCC, proven to provide a
conservative estimate of the SAR value. Applicants shall include in the RF exposure technical brief all
information relevant to the exact test methodology used.
3.1.4 SAR Measurement of Other Types of Devices
SAR measur ements for certain types of 3G devices10
(e.g. CDMA2000, Ev-Do, WCDMA), 802.11 a/b/g
transmitters,11
802.16e/WiMAX devices,12
laptop computers with built-in antennas on dis play screens13
or located within the chassis, as well as licensed and licence-exempt modular transmitters, 14 are notcovered by the current international standards in Section 3. Until these standards contain the
9FCC KDB Publication 648474: SAR Evaluation Considerations for Handsets with Multiple Transmitters and Antenna(http://www.fcc.gov/oet/ea/eameasurements.html)
10FCC KDB Publication 941225: SAR Measurement Procedures for 3G Devices(http://www.fcc.gov/oet/ea/eameasurements.html)
11FCC KDB Publication 248227: SAR Measurement Procedures for 802.11 a/b/g Transmitters
(http://www.fcc.gov/oet/ea/eameasurements.html)
12FCC KDB Publication 615223: 802.16e/WiMAX SAR Measurement Guidance
(http://www.fcc.gov/oet/ea/eameasurements.html)
13FCC KDB Publication 616217: SAR Evaluation Considerations for Laptop Computers with Antennas Built-in onDisplay Screens (http://www.fcc.gov/oet/ea/eameasurements.html) and measurement method for bystander requirement
(http://www.ic.gc.ca/eic/site/ceb-bhst.nsf/eng/h_tt00080.html)
14FCC KDB 447498: Mobile and Portable Device RF Exposure, Equipment Authorization Procedures (http://fjallfoss.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?id=20676&switch=P)
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 11/22
Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands) RSS-102
8
measurement procedures for these types of devices, the FCC’s published procedures can be used as an
interim measure. A complete list of accepted FCC's KDB procedures related to SAR measurements can
be found on Industry Canada's Certification and Engineering Bureau website.15
In addition, other
recognized methods could be used, if deemed acceptable by Industry Canada, prior to initiating the
certification process. Applicants shall include all information relevant to the exact method used in the
RF exposure technical brief.
3.2 RF Exposure Evaluation of Devices with Multiple Transmitters
If the device is designed such that more than one antenna can functionally transmit at the same time, the
RF exposure evaluation shall be conducted while all antennas are transmitting. The individual exposure
levels shall be summed and used for compliance purposes.
If the device has more than one antenna, but is not designed to have more than one antenna functionally
transmit at the same time, the RF exposure evaluation of the device shall be performed for each of the
individually transmitting antennas. The maximum RF field strength value shall be recorded and used for
compliance purposes.
If the device combines groups of simultaneous and non-simultaneous transmitting antennas, the worst
case of the above scenarios applies.
3.3 Computational Modelling
Computational modelling may be used to demonstrate compliance with SAR and/or RF field strength
limits. However, the applicant shall consult with Industry Canada to determine if computational
modelling is deemed acceptable for the type of radiocommunication apparatus for which regulatory
compliance is sought, prior to initiating the certification process. The applicant shall submit all
information (see Annex E) relevant to the modelling, including an electronic copy of the simulation andmodelling information necessary to reproduce the results. The applicant is responsible for compliance
with the limits specified in this RSS regardless of the computational model used.
Refer to IEEE C95.3-2002 for general information on computational modelling.
4. Exposure Limits
For the purpose of this standard, Industry Canada has adopted the SAR and RF field strength limits
established in Health Canada’s RF exposure guideline, Safety Code 6.16
15List of accepted KDB procedures for SAR measurements (http://www.ic.gc.ca/eic/site/ceb-bhst.nsf/eng/h_tt00080.html)
16Health Canada’s Safety Code 6: Limits of Human Exposure to Radiofrequency Electromagnetic Energy in theFrequency Range from3 kHz to 300 GHz(http://www.hc-sc.gc.ca/ewh-semt/pubs/radiation/radio_guide-lignes_direct-
eng.php)
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 12/22
Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands) RSS-102
9
4.1 SAR Limits for Devices Used by the General Public (Uncontrolled Environment)
Body RegionAverage SAR
(W/kg)
Averaging Time
(minutes)
Mass Average
(g)
Whole Body 0.08 6 Whole BodyLocalized Head and Trunk 1.6 6 1
Localized Limbs 4 6 10
4.2 RF Field Strength Limits for Devices Used by the General Public (Uncontrolled
Environment)
Frequency Range
(MHz)
Electric Field
(V/m rms)
Magnetic Field
(A/m rms)
Power Density
(W/m2)
Averaging Time
(minutes)
0.003-1 280 2.19 - 6
1-10 280/ƒ 2.19/ƒ - 610-30 28 2.19/ƒ - 6
30-300 28 0.073 2*
6
300-1500 1.585 ƒ0.5
0.0042 ƒ0.5
ƒ/150 6
1500-15000 61.4 0.163 10 6
15000-150000 61.4 0.163 10 616000/ƒ1.2
150000-300000 0.158 ƒ0.5
4.21 x 10-4
ƒ0.5
6.67 x 10-5
ƒ 616000/ƒ1.2
Note: ƒ is frequency in MHz.
* Power density limit is applicable at frequencies greater than 100 MHz.
4.3 SAR Limits for Controlled Use Devices (Controlled Environment)
Body RegionAverage SAR
(W/kg)
Averaging Time
(minutes)
Mass Average
(g)
Whole Body 0.4 6 Whole Body
Localized Head and Trunk 8 6 1
Localized Limbs 20 6 10
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 13/22
Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands) RSS-102
10
4.4 RF Field Strength Limits for Controlled Use Devices (Controlled Environment)
Frequency Range
(MHz)
Electric Field
(V/m rms)
Magnetic Field
(A/m rms)
Power Density
(W/m2)
Averaging Time
(minutes)
0.003-1 600 4.9 - 6
1-10 600/ƒ 4.9/ƒ - 610-30 60 4.9/ƒ - 6
30-300 60 0.163 10*
6
300-1500 3.54 ƒ0.5
0.0094 ƒ0.5
ƒ/30 6
1500-15000 137 0.364 50 6
15000-150000 137 0.364 50 616000/ƒ1.2
150000-300000 0.354 ƒ0.5
9.4 x 10-4
ƒ0.5
3.33 x 10-4
ƒ 616000/ƒ1.2
Note: ƒ is frequency in MHz.
*Power density limit is applicable at frequencies greater than 100 MHz.
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 14/22
Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands) RSS-102
11
Annex A - RF Technical Brief Cover Sheet
All Fields must be completed with the requested information or the following codes:
N/A for Not Applicable, N/P for Not Performed or N/V for Not Available.
Where applicable, check appropriate box.
1. COMPANY NUMBER: _______________________________________________________
2. MODEL NUMBER: __________________________________________________________
3. MANUFACTURER: __________________________________________________________
4. TYPE OF EVALUATION: (Complete the applicable sections: (a) SAR Evaluation: Device
Used in the Vicinity of the Human Head; (b) SAR Evaluation: Body-Worn Device/Body-
Supported Device; (c) SAR Evaluation: Limb-Worn Device; (d) RF Exposure Evaluation.)
Note: The worst-case scenario (i.e. highest measured value obtained) shall be reported.
(a) SAR Evaluation: Device Used in the Vicinity of the Human Head
● Multiple transmitters: Yes□ No□
● Evaluated against exposure limits: General Public Use□ Controlled Use□
● Duty cycle used in evaluation: __________%
● Standard used for evaluation: _________________________
● SAR value: __________W/kg Measured□ Computed □ Calculated□
(b) SAR Evaluation: Body-Worn Device and Body-Supported Device
● Multiple transmitters: Yes□ No□
● Evaluated against exposure limits: General Public Use□ Controlled Use□
● Duty cycle used in evaluation: __________%
● Standard used for evaluation: _________________________
● SAR value: __________W/kg Measured□ Computed□ Calculated□
(c) SAR Evaluation: Limb-Worn Device
● Multiple transmitters: Yes□ No□
● Evaluated against exposure limits: General Public Use□ Controlled Use□
● Duty cycle used in evaluation: __________%
● Standard used for evaluation: _________________________
● SAR value: __________W/kg Measured□ Computed□ Calculated□
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 15/22
Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands) RSS-102
12
(d) RF Exposure Evaluation
● Evaluated against exposure limits: General Public Use□ Controlled Use□
● Duty cycle used in evaluation: __________%
● Standard used for evaluation: _________________________ ● Measurement distance: ___________ m
● RF field strength value: ____________ V/m□ A/m□ W/m2□
Measured□ Computed□ Calculated□
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 16/22
Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands) RSS-102
13
Annex B - Declaration of RF Exposure Compliance
ATTESTATION: I attest that the information provided in Annex A is correct; that the Technical
Brief was prepared and the information contained therein is correct; that the device evaluation was
performed or supervised by me; that applicable measurement methods and evaluationmethodologies have been followed; and that the device meets the SAR and/or RF field strength
limits of RSS-102.
Signature: ________________________________________ Date: ___________________
NAME (Please print or type): ________________________________________
TITLE (Please print or type): ________________________________________
COMPANY (Please print or type): ________________________________________
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 17/22
Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands) RSS-102
14
Annex C - Declaration of RF Exposure Compliance for Exemption from Routine
Evaluation Limits
ATTESTATION: I attest that the radiocommunication apparatus meets the exemption from the
routine evaluation limits in Section 2.5 of this standard; that the Technical Brief was prepared andthe information contained therein is correct; that the device evaluation was performed or
supervised by me; that applicable measurement methods and evaluation methodologies have been
followed; and that the device meets the SAR and/or RF field strength limits of RSS-102.
Signature: ________________________________________ Date: ___________________
NAME (Please print or type): ________________________________________
TITLE (Please print or type): ________________________________________
COMPANY (Please print or type): ________________________________________
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 18/22
Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands) RSS-102
15
Annex D - Body Tissue Equivalent Liquid
BodyTarget Frequency
(MHz) r (S/m)
150 61.9 0.8
300 58.2 0.92
450 56.7 0.94
835 55.2 0.97
900 55.0 1.05
915 55.0 1.06
1450 54.0 1.30
1610 53.8 1.40
1800-2000 53.3 1.52
2450 52.7 1.95
3000 52.0 2.73
5800 48.2 6.00(r relative permittivity, conductivity and = 1000 kg/m
3)
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 19/22
Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands) RSS-102
16
Annex E - Information that should be Included in the RF Exposure Technical Brief to
Document SAR Compliance
INFORMATION ON THE TEST DEVICE AND EXPOSURE CATEGORY
(1) General information
IC Certification ID
Model Number
RF exposure environment (General Public/Controlled Use)
(2) Device operating configurations and test conditions
Test device is a production unit or an identical prototype
Brief description of the test device operating configurations, including:
- operating modes and operating frequency range(s)
- maximum output power of the device for each operating mode and frequency range
- operating tolerances
- antenna type with gain and operating positions
- applicable head, body-worn or body-supported configurations- battery options that could affect the SAR results
Procedures used to establish the test signals
Detailed description of the communication protocols used during the evaluation
Applicable source-based time-averaging duty factor and the duty factor used in the tests
Maximum output power measured before and after each SAR test
SPECIFIC INFORMATION FOR SAR MEASUREMENTS
(1) Measurement system and site description
Brief description of the SAR measurement system
Brief description of the test setup
(2) Electric field probe calibrationDescription of the probe, its dimensions and sensor offset, etc.
Description of the probe measurement errors
Most recent calibration date
(3) SAR measurement system check
Brief description of the RF radiating source used to verify the SAR system performance
within the operating frequency range of the test device
List of the tissue dielectric parameters, ambient and tissue temperatures, output power, peak
and one-gram averaged SAR for the measured and expected target test configurations
List of the error components contributing to the total measurement uncertainty
(4) Phantom description
Description of the head and/or body phantoms used in the tests, including shell thickness and
other tolerances
(5) Tissue dielectric property
Composition of ingredients for the tissue material used in the SAR tests
Tissue dielectric parameters measured at the low, middle and high frequency of each
operating frequency range of the test device
Temperature range and operating conditions of the tissue material during each SAR
measurement
(6) Device positioning
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 20/22
Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands) RSS-102
17
Description of the dielectric holder or similar mechanisms used to position the test device in
the specific test configurations
Description of the positioning procedures used to evaluate the highest exposure expected
under normal operating configurations
Sketches and illustrations showing the device positions with respect to the phantom,
including separation distances and angles, as appropriateDescription of the antenna operating positions - extended, retracted or stowed, etc., and the
configurations tested in the SAR evaluation
(7) Peak SAR locations
Description of the coarse resolution, surface or area scan procedures used to search for all
possible peak SAR locations within the phantom
Description of the interpolation procedures applied to the measured points to identify the
peak SAR locations at a finer spatial resolution
Description, illustration and SAR distribution plots showing the peak SAR locations with
respect to the phantom and the test device
Identifying the peak SAR locations used to evaluate the highest one-gram averaged SAR
(8) One-gram averaged SAR
Description of the fine resolution, volume or zoom scan procedures used to determine the
highest one-gram averaged SAR in the shape of a cube
Description of the extrapolation procedures used to estimate the SAR value of points close to
the phantom surface that are not measurable
Description of the interpolation procedures applied to the measured and extrapolated points
to obtain SAR values at a finer spatial resolution within the zoom scan volume
Description of the integration procedures applied to the interpolated SAR values within the
zoom scan volume to determine the highest one-gram SAR in the shape of a cube
(9) Total measurement uncertainty
Tabulated list of the error components and uncertainty values contributing to the totalmeasurement uncertainty
Combined standard uncertainty and expanded uncertainty (for k 2) of each measurement
If the expanded measurement uncertainty is greater than the target value per the referenced
standard (e.g. IEEE 1528), an explanation of the procedures that have been used to reduce the
measurement uncertainty shall be provided
(10) Test results for determining SAR compliance
If the channels tested for each configuration (left, right, cheek, tilt/ear, extended, retracted,
etc.) have similar SAR distributions, a plot of the highest SAR for each test configuration
should be sufficient; otherwise, additional plots should be included to document the
differences
All of the measured SAR values should be documented in a tabulated format with respect tothe test configurations
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 21/22
Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands) RSS-102
18
SPECIFIC INFORMATION FOR SAR COMPUTATIONAL MODELLING
(1) Computational resources
Summary of the computational resources required to perform the SAR computations for the
test transmitter and phantom configurations
Summary of the computational requirements with respect to modelling and computing parameters for determining the highest exposure expected for normal device operation, such
as minimal computational requirements and those used in the computation
(2) FDTD algorithm implementation and validation
Summary of the basic algorithm implementation applicable to the particular SAR evaluation,
including absorbing boundary conditions, source excitation methods, certain standard
algorithms for handling thin metallic wires, sheets or dielectric materials, etc.
Descriptions of the procedures used to validate the basic computing algorithms and analysis
of the computing accuracy based on these algorithms for the particular SAR evaluation
(3) Computational parameters
Tabulated list of computational parameters such as cell size, domain size, time-step size,
tissue and device model separation from the absorbing boundaries, and other essential
parameters relating to the computational setup requirements for the SAR evaluation
Description of the procedures used to handle computation efficiency and modelling accuracy
for the phantom and the test device
(4) Phantom model implementation and validation
Identify the source of the phantom model, its original resolution and the procedures used to
code and assign tissue dielectric parameters for the SAR evaluation
Verify that the phantom model is appropriate for determining the highest exposure expected
for normal device operation
Describe procedures used to verify that the particular phantom model has been correctly
constructed for making SAR computations, such as comparing computed and measured SAR results of a dipole source
(5) Tissue dielectric parameters
Description of the types of tissues used in the phantom models and the sources of tissue
dielectric parameters used in the computations
Verify that the tissue types and dielectric parameters used in the SAR computation are
appropriate for determining the highest exposure expected for normal device operation
Tabulated list of the dielectric parameters used in the device and phantom models
(6) Transmitter model implementation and validation
Description of the essential features that must be modelled correctly for the particular test
device model to be valid
Descriptions and illustrations showing the correspondence between the modelled test deviceand the actual device with respect to shape, size, dimensions and near-field radiating
characteristics
Verify that the test device model is equivalent to the actual device for predicting the SAR
distributions
Verify the SAR distribution at the high, middle and low channels, similar to those considered
in SAR measurements for determining the highest SAR
7/30/2019 rss102
http://slidepdf.com/reader/full/rss102 22/22
Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands) RSS-102
(7) Test device positioning
Description of the device test positions (left, right, cheek, tilt/ear, extended and retracted,
etc.) used in the SAR computations
Illustrations showing the separation distances between the test device and the phantom for the tested configurations, similar to the reporting procedures used in SAR measurements
(8) Steady state termination procedures
Description of the criteria and procedures used to determine that sinusoidal steady state
conditions have been reached throughout the computational domain for terminating the
computations
Reporting the number of time steps or sinusoidal cycles executed to reach steady state
Description of the expected error margin provided by the termination procedures
(9) Computing peak SAR from field components
Description of the procedures used to compute the sinusoidal steady total electric field with
selected field components at each tissue locationDescription of the expected error margin provided by the algorithms used to compute the
SAR at each tissue location according to the selected field components and tissue dielectric
parameter
(10) One-gram averaged SAR procedures
Description of the procedures used to search for the highest one-gram averaged SAR,
including the procedures for handling inhomogeneous tissues within the one-gram cube
Specify the weight and dimensions of the one-gram cube of tissue
Description of the expected error margin provided by the algorithms used in computing the
one-gram SAR
(11) Total computational uncertainty
Description of the expected error and computational uncertainty for the test device and tissuemodels, test configurations and numerical algorithms, etc.
(12) Test results for determining SAR compliance
Illustrations showing the SAR distribution of dominant peak locations produced by the test
transmitter with respect to the phantom and the test device, similar to those reported in SAR
measurements
Description of how the maximum device output rating is determined and used to normalize
the SAR values for each test configuration
Description of the procedures used to compute source-based time-averaged SAR